FCO 281967-1991Foreign Office and Foreign and Commonwealth Office: Northern Department and East European and Soviet Department (and succeeding departments): Registered Files (N, EN and ES Series)
This series contains the records of the Northern Department of the Foreign Office and its successor in the Foreign and Commonwealth Office, the Eastern European and Soviet Department, dealing with UK political and economic relations with the Soviet Union and the Baltic States, Czechoslovakia, Bulgaria, Hungary, Romania, Poland, Albania and Yugoslavia.